Hummingbird feeder



FIG. 1 is a bottom perspective view of a hummingbird feeder showing my new design;

FIG. 2 is a left side view thereof; the right side view is a mirror image of the left side view, shown;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a bottom view thereof; and,

FIG. 6 is a top view thereof. 

The ornamental design for a hummingbird feeder, as shown. 